“The decision [to leave Alexis in Santiago] altogether was endorsed by the doctor, who suggested that the trip was going to be worse for him.

“Sanchez has the possibilities to play on Tuesday against Uruguay.”

While Arsenal will be relieved to hear the injury is not as bad as first feared there must still be some concerns about Sanchez playing against Uruguay.

The Gunners resume Premier League action against Manchester United on November 19 and will be keen to have Sanchez fit and available for the trip to Old Trafford as they aim to keep pace at the top of the Premier League table.